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On Care For Our Common Home | Azimuth
https://johncarlosbaez.wordpress.com/2015/06/19/on-care-for-our-common-home
On Care For Our Common Home. There’s been a sea change on attitudes toward global warming in the last couple of years, which makes me feel much less need to determine the basic facts of the matter, or convince people of these facts. The challenge is now to do something. Even the biggest European oil and gas companies are calling for a carbon tax. Their motives, of course, should be suspect. But they have realized it’s hopeless to argue about the basics. They wrote a letter. On care for our common home.
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Steering & Seating | Bicycle Technology and Patents
http://bicyclepatents.com/category/steering-and-seating
Bicycle Technology and Patents. Subscribe in a reader. Enter your email address:. Patent and Trademark Attorneys. The Inventor of the Bicycle. The bicycle as we know it came together from the innovations of many inventors, such as the inventor of the roller chain. And first person to put a crank. On a Dandy Horse, the first person to invent pneumatic tires. And the first person to adapt ball bearings. Folding frame bike, and Harmon Moise’s. February 22nd, 2015 Category: Brakes. Tandem Bike Conversion Kit.
johncarlosbaez.wordpress.com
The Game of Googol | Azimuth
https://johncarlosbaez.wordpress.com/2015/07/20/the-game-of-googol
The Game of Googol. Here’s a puzzle from a recent issue of Quanta. An online science magazine:. I write down two different numbers that are completely unknown to you, and hold one in my left hand and one in my right. You have absolutely no idea how I generated these two numbers. Which is larger? But “obviously” is not a proof. Sometimes “obvious” things are wrong! It turns out that, amazingly, the answer to the puzzle is yes! If you want to solve it yourself, stop now or read Quanta. Greg Egan gave a nic...
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Tools I carry on bikes or trikes | Bicycle Technology and Patents
http://bicyclepatents.com/tools-i-carry-on-bikes-or-trikes/2048
Bicycle Technology and Patents. Subscribe in a reader. Enter your email address:. Patent and Trademark Attorneys. Laquo; Long Time Road Biker tries Recumbents, by Erik Fetch. Updating an 80’s road bike (Fuji Design Series). Tools I carry on bikes or trikes. The picture shown below shows the tools I carry on my bike or trike on each and every ride. Also shown are the patches and glue I use for patching tubes, either at home or on the road. January 4th, 2014 Category: Accessories. Leave a Reply Cancel reply.
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The Updated PupRUNNER Pet Trailer | Bicycle Technology and Patents
http://bicyclepatents.com/the-updated-puprunners-pet-trailer/2203
Bicycle Technology and Patents. Subscribe in a reader. Enter your email address:. Patent and Trademark Attorneys. Laquo; Shaver and Swanson, LLP, our new patent law firm. The Inventor of the Bicycle. The Updated PupRUNNER Pet Trailer. March 29th, 2015 Category: Accessories. Leave a Reply Cancel reply. You can use these HTML tags. A href= title= abbr title= acronym title= b blockquote cite= cite code del datetime= em i q cite= s strike strong. Will not be published) (required). On Types of Recumbents.
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Odd & Unusual | Bicycle Technology and Patents
http://bicyclepatents.com/category/odd-and-unusual
Bicycle Technology and Patents. Subscribe in a reader. Enter your email address:. Patent and Trademark Attorneys. Tandem Bike Conversion Kit. I don’t know if this is the first, but it is certainly an early tandem bike. This is a conversion kit, for making a regular bike into a tandem. This kit was patented in 1894. December 21st, 2013 Category: Frames. Prone Bicycle, 1907. November 21st, 2013 Category: Frames. Bike Pulled Canoe Trailer. Todd at Stokemonkey has started a great new blog. Bike designs using...
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Accessories | Bicycle Technology and Patents
http://bicyclepatents.com/category/accessories
Bicycle Technology and Patents. Subscribe in a reader. Enter your email address:. Patent and Trademark Attorneys. Fly6 by Cycliq: tail light / video camera combo. Why do you need a video camera when riding your bike? The Cycliq site has a bunch of videos taken by their customers which are very interesting. I feel naked without the Fly6 watching my back, and I’m going to get the Fly12 also. October 24th, 2015 Category: Accessories. Keeping Your Devices Charged in the Field. Tools I carry on bikes or trikes.
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Wheels | Bicycle Technology and Patents
http://bicyclepatents.com/category/wheels
Bicycle Technology and Patents. Subscribe in a reader. Enter your email address:. Patent and Trademark Attorneys. The Inventor of the Bicycle. The bicycle as we know it came together from the innovations of many inventors, such as the inventor of the roller chain. And first person to put a crank. On a Dandy Horse, the first person to invent pneumatic tires. And the first person to adapt ball bearings. Folding frame bike, and Harmon Moise’s. February 22nd, 2015 Category: Brakes. Of course some sites go in...
bicyclepatents.com
General | Bicycle Technology and Patents
http://bicyclepatents.com/category/general
Bicycle Technology and Patents. Subscribe in a reader. Enter your email address:. Patent and Trademark Attorneys. Shaver and Swanson, LLP, our new patent law firm. March 29th, 2015 Category: General. On Arizona Whip Lighted Flagpole. On Types of Recumbents. On The MASA Slingshot, by Trikebldr. On How far can you ride a bike in 24 hours? On Keeping Your Devices Charged in the Field.
bicyclepatents.com
Frames | Bicycle Technology and Patents
http://bicyclepatents.com/category/frames
Bicycle Technology and Patents. Subscribe in a reader. Enter your email address:. Patent and Trademark Attorneys. The Inventor of the Bicycle. The bicycle as we know it came together from the innovations of many inventors, such as the inventor of the roller chain. And first person to put a crank. On a Dandy Horse, the first person to invent pneumatic tires. And the first person to adapt ball bearings. Folding frame bike, and Harmon Moise’s. February 22nd, 2015 Category: Brakes. Tandem Bike Conversion Kit.